You will find the length works well for men who want to wear it untucked.
NWT Nike Sportswear JDI Just Do It Tee, light salmon AR5006-824
The 2XL size is a solid choice for a relaxed, everyday wardrobe staple.
Nike Men’s Sportswear Just Do It T-Shirt Black Size L AR5006-011 NWT
A nice touch is the side slits on this Nike T‑shirt.
Nike Men’s Sportswear Just Do It T-Shirt Black Small Crew Neck AR5006-011 NWT
The fit of this Nike T‑shirt is true to size without shrinking.
*RARE* Nike S/S NSW JUST DO IT SWOOSH T-SHIRT GREEN/MULTICOLOR AR5006-377
What I notice is the crew neck, which has a slight stretch for easy movement.